Mathematics · Trigonometry
यदि sin A = x है, तो x के पदों में cos2A का मान क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 - 2x2
- 23 - x2
- 32 - x2
- 41 - x2✓
सही उत्तर देखें
1 - x2
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